• Weiming Zhao, Dong Wang, Yujie Tan, Ji Yang, and Shuning Zhang.
• Changxing County Traditional Chinese Medicine Hospital of Zhejiang Province, Changxing, China.
• Medicine (Baltimore). 2024 Nov 8; 103 (45): e40315e40315.

BackgroundThis study aims to analyze and evaluate the correlation between migraines and the onset of stroke, and further explore whether migraines increase the risk of stroke.MethodsTwo researchers independently conducted a comprehensive search of Chinese biomedical literature databases (CBM disc), PubMed, Embase, Cochrane Library, and Web of Science databases, using a combination of subject terms and free words. Literature that met the inclusion and exclusion criteria was selected, and quality assessment was performed using The Newcastle-Ottawa Scale (NOS). Data necessary for the study were extracted as effect size as needed, and meta-analysis was conducted using Review Manager 5.4 software and Stata 16 software to calculate the combined odds ratio and its 95% confidence interval. The relevant data were analyzed, and publication bias was evaluated.ResultsAfter conducting a meta-analysis of the 9 final included articles, the heterogeneity test showed chi2 = 10.7, df = 8 (P = .22), I2 = 25%. Therefore, a fixed-effect model was used for analysis. The combined odds ratio (OR) for the risk of stroke in migraine patients compared to non-migraine patients was 2.04, with a 95% confidence interval [1.73, 2.4], which was statistically significant. In the analysis of migraine with aura, the respective ORs were 2.32 with a 95% CI of [1.70-3.18] and 1.77 with a 95% CI of [1.34-2.33]. Subgroup analysis of female migraine patients and young migraine patients showed statistically significant results, with ORs of 2.26 (95% CI [1.67-3.05]) and 2.39 (95% CI [1.9-3.01]), respectively. The relevant literature and results were evaluated for publication bias and assessed using the NOS, indicating the reliability of the results.ConclusionThe results of the meta-analysis indicate that there is a certain relationship between migraine and the onset of stroke, and the results are relatively reliable. The analysis of migraine with aura shows that both the presence and absence of aura are associated with an increased risk of stroke. Subgroup analysis based on gender and age shows that the increased risk of stroke is associated with females and young individuals. However, due to the limited data in subgroup analysis, the above conclusions still require further research for validation.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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